# Memcached::__construct

(PECL memcached >= 0.1.0)

Memcached::__construct — Create a Memcached instance

### Beschreibung

public Memcached::__construct(?string `$persistent_id` = `null`, ?callable `$callback` = `null`, ?string `$connection_str` = `null`)

Creates a Memcached instance representing the connection to the memcache servers.

Warnung

Diese Funktion ist bis jetzt nicht dokumentiert. Es steht nur die Liste der Parameter zur Verfügung.

### Parameter-Liste

`persistent_id`

  By default the Memcached instances are destroyed at the end of the request. To create an instance that persists between requests, use `persistent_id` to specify a unique ID for the instance. All instances created with the same `persistent_id` will share the same connection.

`callback`

`connection_str`

### Beispiele

Beispiel #1 Creating a Memcached object

`<?php
/* Create a regular instance */
$m = new Memcached();
echo get_class($m);
/* Create a persistent instance */
$m2 = new Memcached('story_pool');
$m3 = new Memcached('story_pool');
/* now $m2 and $m3 share the same connection */
?>`
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